Re: gif(4) MP-ify by psref [was Re: passive references]

[Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost>]

Hi,

I found some bugs and missing patch, so I update the patch series and
unified patch, sorry.

On 2016/05/20 22:02, Taylor R Campbell wrote:
>    Date: Fri, 20 May 2016 16:28:15 +0900
>    From: Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost>
> 
>    I back to gif(4) MP-ify, since I could eliminate bottleneck of
>    MP-scalable bridge(4) to support wm(4) TX multiqueue.
> 
>    I rebase my gif(4) MP-ify patches and reflect latest psref(9) and
>    pslist(9) implementation. Here is the patch series.
>        http://www.netbsd.org/~knakahara/gif-psref/gif-psref.tgz
>    And here is the unified patch.
>        http://www.netbsd.org/~knakahara/gif-psref/unified-gif-psref.patch
> 
> Nice!  I don't have time to review it right now, but I'll try to find
> some time in the next few days.  Have you done any throughput tests
> yet, or tried observing the effect of `ifconfig gif1 create' on the
> flow through gif0?  I'm particularly curious to see how bad it is to
> just encap drop packets while `ifconfig gif1 create' is running.

I will re-measure that throughput for the fixed kernel.
# in the measurement result of old kernel, it seems "ifconfig gif1 create"
# does not so effect. So, I will also measure throughput when I create
# more gif(4)s (2, 4, 8, and so on).


Thanks,

-- 
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Internet Initiative Japan Inc.

Device Engineering Section,
IoT Platform Development Department,
Network Division,
Technology Unit

Kengo NAKAHARA <k-nakahara%iij.ad.jp@localhost>